Method Log

repository.go:1248–1282

Log returns the commit history from the given LogOptions.

(o *LogOptions)

// Log returns the commit history from the given LogOptions.
func (r *Repository) Log(o *LogOptions) (object.CommitIter, error) {
	fn := commitIterFunc(o.Order)
	if fn == nil {
		return nil, fmt.Errorf("invalid Order=%v", o.Order)
	}

	var (
		it  object.CommitIter
		err error
	)
	if o.All {
		it, err = r.logAll(fn)
	} else {
		it, err = r.log(o.From, fn)
	}

	if err != nil {
		return nil, err
	}

	if o.FileName != nil {
		// for `git log --all` also check parent (if the next commit comes from the real parent)
		it = r.logWithFile(*o.FileName, it, o.All)
	}
	if o.PathFilter != nil {
		it = r.logWithPathFilter(o.PathFilter, it, o.All)
	}

	if o.Since != nil || o.Until != nil {
		limitOptions := object.LogLimitOptions{Since: o.Since, Until: o.Until}
		it = r.logWithLimit(it, limitOptions)
	}

	return it, nil
}

func (r *Repository) log(from plumbing.Hash, commitIterFunc func(*object.Commit) object.CommitIter) (object.CommitIter, error) {
	h := from